1. STUDIES ON THE EUROPIUM AND PALLADIUM EXTRACTION WITH SOME CALIX[6]ARENE DERIVATIVES. Authors: IOAN SILAGHI-DUMITRESCU, NICOLAE POPOVICI, IOANA PERHAITA, ELISABETH-JEANNE POPOVICI, ALINA SAPONAR.2. SYNTHESIS OF TUNGSTEN TRIOXIDE MESOPOROUS POWDERS PREPARED BY INORGANIC SOL-GEL ROUTE. Authors: IONEL CĂTĂLIN POPESCU, IOANA PERHAITA, MARIA ŞTEFAN, ELISABETH-JEANNE POPOVICI, ECATERINA BICA.3. NEW FUNCTIONALIZED GLASS FIBERS EMPLOYING CALIXARENIC SYSTEMS. Authors: RALUCA ANAMARIA SEPTELEAN, MYRAT VELNAZAROV, DOINA PRODAN, IOANA PERHAITA, OVIDIU NEMES, MARIOARA MOLDOVAN.